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vlabodo [156]
4 years ago
9

What safety feature melts to protect a circuit?

Physics
1 answer:
N76 [4]4 years ago
7 0
A fuse melts to protect a circuit.
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If it is 9 am in San Francisco, is it also 9 am in New York? Why or why not?
Sedaia [141]

Answer:

It wouldn't be 9am in New York because San Francisco is 3 hours behind of New York

Explanation:

7 0
3 years ago
1. If some unimaginable calamity destroyed the Sun, using the astronomical unit for the Earth-Sun distance and the value for the
Vsevolod [243]

Answer:

8 minutes and 20 seconds

Explanation:

Average Distance between Earth and Sun: 150 million km   = 1.5 * 10^{8} km

Velocity of light: 3 * 10^{8} \ m/s   =   3 * 10^{5} \ km/s

Time = Distance/Speed

or Time = 1.5 * 10^{8} \ km / 3 * 10^{5} \ km/s

= 5 * 100

= 500 seconds

⇒ Time = 8 minutes and 20 seconds

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3 years ago
A(n) ______ is matter that is composed of one type of atom.<br><br><br><br><br>answerd::: An Element
OverLord2011 [107]
The answer would me an element
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4 years ago
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Where’s the answers? I can help
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3 years ago
Jason launches a model rocket with a mass of 2.0 kg from his spring-powered rocket launcher with a spring constant of 800 N/m. H
Arada [10]

Answer:

121 Joules

6.16717 m

Explanation:

m = Mass of the rocket = 2 kg

k = Spring constant = 800 N/m

x = Compression of spring = 0.55 m

Here, the kinetic energy of the spring and rocket will balance each other

\frac{1}{2}mu^2=\frac{1}{2}kx^2\\\Rightarrow u=\sqrt{\frac{kx^2}{m}}\\\Rightarrow u=\sqrt{\frac{800\times 0.55^2}{2}}\\\Rightarrow u=11\ m/s

The initial velocity of the rocket is 11 m/s = u.

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 9.81 m/s² = g

v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{0^2-11^2}{2\times -9.81}\\\Rightarrow s=6.16717\ m

The maximum height of the rocket will be 6.16717 m

Potential energy is given by

P=mgh\\\Rightarrow P=2\times 9.81\times \frac{0^2-11^2}{2\times -9.81}\\\Rightarrow P=121\ J

The potential energy of the rocket at the maximum height will be 121 Joules

5 0
4 years ago
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